TM 1-1520-238-T-7112521133.ASE BUCS CIRCUIT BREAKER DOES NOT STAY CLOSED  FAULT IN PILOT 1133BUCS WIRINGTools:NomenclaturePartNumberTool Kit, ElectricalSC518099CLA06RepairersMultimeter, DigitalAN/PSM-45Personnel Required:68XArmament/Electrical Systems RepairerReferences:TM 1-1520-238-23Equipment Conditions:RefConditionTM 1-1520-238-23Nontransparent barrier removedWARNINGTurn off power before detaching orattaching wires and connectors. Highcurrent 28 VDC or 115 VAC is present.Failure to do so could result in death orserious injury.1. Detach P413. Check for short betweenP413B6 and ground.Does short exist?YESGo to step 2.NOGo to step 3.2. Check for short between J2701 and groundDoes short exist?YESRepair shorted wire betweenP413B6 and J2701.Go to paragraph 1123.NOReplace pilot longitudinal SPAD(TM 1-1520-238-23).3. Check for short between P413B15 and ground.Does short exist?YESGo to step 4.NOGo to step 5.4. Check for short between J2721 and ground.Does short exist?YESRepair shorted wire betweenP413B15 and J2721.Go to paragraph 1123.NOReplace pilot collective SPAD(TM 1-1520-238-23).5. Check for short between P472A19 and ground.Does short exist?YESGo to step 6.NOGo to step 7.6. Check for short between J2691 and ground.Does short exist?YESRepair shorted wire betweenP472A19 and J2691.Go to paragraph 1123.NOReplace pilot directional SPAD(TM 1-1520-238-23).7. Check for short between J2711 and ground.Does short exist?YESRepair shorted wire betweenP472A20 and J2711.Go to paragraph 1123.NOReplace pilot longitudinal SPAD(TM 1-1520-238-23).END OF TASK